<!DOCTYPE HTML>
<heand>
  <title>Test ImageBitmap Extensions (Bug 1141979)</title>
  <meta charset="utf-8">
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" href="/tests/SimpleTest/test.css">
</head>
<body>
  <div id="content"><div>
  <script type="text/javascript">
    SimpleTest.waitForExplicitFinish();

    // The createImageBitmap() method is part of Window whose
    // prototype was created before the preference is set. So I create another
    // iframe with the right preference setting so that the
    // createImageBitmap() will be visible.
    SpecialPowers.pushPrefEnv({'set': [
      ['canvas.imagebitmap_extensions.enabled', true],
      ['gfx.ycbcr.accurate-conversion', true]
    ]}, function() {
      var div = document.getElementById("content");
      ok(div, "Parent exists");

      var ifr = document.createElement("iframe");
      ifr.setAttribute('src', "imagebitmap_extensions.html");
      div.appendChild(ifr);
    });

    window.onmessage = function(event) {
      if (event.data.type == "status") {
        ok(event.data.status, event.data.msg);
      } else if (event.data.type == "finish") {
        SimpleTest.finish();
      }
    }
  </script>
</body>
